Greenspeed 15t Idler with Sidewalls and 10mm Bearing trigger shifters you may also need to

you may also need to purchase a T-Cycle Battery Mount Adapter Shelf

Neodrives or other battery to your ICE trike down low and out of the way

Rear Suspension:  No

Velocity increased the thickness of the walls by 15% for the Cliff Hanger

Greenspeed 15t Idler with Sidewalls and 10mm Bearing trigger shifters you may also need toCombines a 15 tooth sprocket with sidewalls to keep the chain in place on rough roads. Holes must face inward to prevent the idler from coming off the bearing. Non machined teeth and a 10mm inner diameter on the bearing. It has a 72mm overall diameter. Works on 2007 and earlier Greenspeed trikes.